Possible Duplicate:
direct ethernet connection between two wirelessly connected Windows 7 laptops

Is is possible to connect two computers without a crossover Cat 5e cable?


Some computers have autosensing capability and would switch the orientation themselves. But most computers wont do it, sorry.

  • 4
    this is called Auto-MDIX. – quack quixote Jun 8 '10 at 13:40
  • Lots of useful info in quack's link - i.e. its only in the Gigabit standard and if you connect 2 together you will get a switching loop. You may want to expand your answer. – Shevek Jun 8 '10 at 13:45
  • if it is HP only tech probably most ethernet cards do not have it. thanks for the link. – şaloma Jun 8 '10 at 13:58
  • If both computers are reasonable modern Macs (last three years or so) this will work out of the box with a normal cable. – Hay Nov 7 '10 at 17:05

If it's a modern computer (w/Gigabit), then it will work just fine. Otherwise, probably not. Older switches/hubs sometimes had autodetect for cable type, but NICs typically did not (I can't think of any that did right now).

  • as i tried out between gigabit and megabit ethernet machines non crossover cable just works fine! wow, how come no one explicitly told this?! – şaloma Jun 24 '10 at 22:27

It will work if you are connecting two computers from straight cat 5 and one computer must have Linux OS e.g. Ubuntu.

I've tried this before and it was successful

  • Windows to Windows will not work

I tried

  • Ubuntu to Windows Vista and it was successful!

not on any other Linux or Windows.

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